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Allow sub2ind() to accept indices outside the size of the input subscripts (bug #62184) * NEWS.8.md: Announce change in Matlab Compatibility section. * sub2ind.cc: Add '#include "utility"' for access to std::swap. * sub2ind.cc (Fsub2ind): Check nargout to figure out ndims of output. For special case of vector (1-dimension), put in code to guarantee a row vector output. Add BIST tests for bug #62184. Remove input validation BIST which no longer applies. * Array-util.cc (ind2sub): Remove input validation requiring index to be within range of subscript size. Adjust code to put all remaining elements in the final output dimension.
author John W. Eaton <jwe@octave.org>
date Tue, 05 Apr 2022 15:12:34 -0700
parents 6ddc9c9bab50
children ec5b57af230a
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Summary of important user-visible changes for version 8 (yyyy-mm-dd):
---------------------------------------------------------------------

### General improvements

- Octave's libraries are now built using symbol visibility by default.
That means that less symbols are exported from these libraries.
Configure with `--disable-lib-visibility-flags` to export all symbols
(as in previous versions).


### Graphical User Interface


### Graphics backend


### Matlab compatibility

- `sub2ind` now supports index values outside of the size specified by
  the subscripts.

- `cylinder` now accepts a scalar for the radius argument.

- `clock` now has an optional second output `ISDST` which indicates if
  Daylight Savings Time is in effect for the system's time zone.

### Alphabetical list of new functions added in Octave 8


### Deprecated functions, properties, and operators

The following functions and properties have been deprecated in Octave 8
and will be removed from Octave 10 (or whatever version is the second
major release after 8):

- Functions

  Function               | Replacement
  -----------------------|------------------
  `shift`                | `circshift`
  `sparse_auto_mutate`   | none (see below)

- The `sparse_auto_mutate` function no longer has any effect on Octave's
  behavior.  Previously, after calling `sparse_auto_mutate (true)`,
  Octave would automatically convert sparse matrices to full when a
  sparse matrix required more memory than simply using full matrix
  storage.  This setting was `false` by default for compatibility with
  Matlab.  Now you must manually convert to full storage when desired.

The following functions were deprecated in Octave 6 and have been removed
from Octave 8.

- Functions

  Function               | Replacement
  -----------------------|------------------
  `runtests`             | `oruntests`

- The environment variable used by `mkoctfile` for linker flags is now
  `LDFLAGS` rather than `LFLAGS`.  `LFLAGS` was deprecated in Octave 6,
  and will be removed in a future version of Octave.

### Old release news

- [Octave 7.x](etc/NEWS.7)
- [Octave 6.x](etc/NEWS.6)
- [Octave 5.x](etc/NEWS.5)
- [Octave 4.x](etc/NEWS.4)
- [Octave 3.x](etc/NEWS.3)
- [Octave 2.x](etc/NEWS.2)
- [Octave 1.x](etc/NEWS.1)